687521

This number is a prime.

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There are 2 consecutive record twin prime gaps after (687521, 687523). The next 2 twin prime pairs are (688451, 688453) and (689459, 689461). The gaps have sizes 930 and 1008. [Jacobs]

Submitted: 2018-01-15 02:43:00;   Last Modified: 2018-01-15 02:49:52.
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